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Material ID Help

Started by hahaha Aug 4, 2007 at 8:25 AM 2 replies 1.1k views

Original Post

Aug 4, 2007 at 8:25 AM

I have this code in MaxScript for reading a faces material ID:


for f = 1 to NumFaces do
(
	index = getFaceMatID Mesh f
        format "%\n" index to:out_file
)

I only have 1 map applied to the object but when i run the script a get all sorts of values between 1 and 6. this is the output: 2 2 1 1 5 5 4 4 6 6 3 3 Any ideas why? [Edited by - hahaha on August 5, 2007 6:14:33 AM]

S1CA

169

S1CA

Aug 9, 2007 at 6:21 PM

Never done any Max Script and it's around 8 years since I last wrote a Max plugin that had to deal with materials.

That said I do have a vague recollection that you had to do something along the lines of "materialID = materialID % numberOfMaterials" if the materialID you got for the face was out of range. That worked for all sorts of fun combinations of multi-sub.

I think the samples in the SDK do that too.

If the modulo operator doesn't fix it, reposting your question on Sparks is probably a good idea.

hahaha

Author

hahaha

Aug 10, 2007 at 7:11 AM

Thanks i tried using the modulo operator but there is no such operator in MaxScript. I posted the same question at sparks.
Thanks for your help

S1CA

169

S1CA

Aug 10, 2007 at 7:32 AM

Quote:
Original post by hahaha
but there is no such operator in MaxScript.

Google for maxscript+modulo points me at:

http://www.scriptspot.com/bobo/mel2mxs/arithmetic.htm

Quote:
In MAXScript, the modulus operation is performed using the mod function, followed by the two arguments. The result of the mod function in MXS is always a Float:

card = mod 7 3 --result is 1.0
bus = mod 0.5 3 --result is 0.5

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